<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>ajax--formdata数据</title>
    <script src="libs/jquery1.js"></script>
</head>

<body>
    <form action="login" method="post" enctype="multpart/form-data">
        <input type="text" name="username" placeholder="请输入姓名"><br>
        <input type="password" name="password" placeholder="请输入密码"><br>
        <input type="file" name="photo"><br>
        <button type="submit">登录</button>
    </form>
</body>
<script>
    $('form').submit(function (ev) {
        ev.preventDefault();
        var data = new FormData(this);
        // 添加formdata对象的数据
        data.append('time', new Date());
        console.log(data);
        $.post({
            url: 'index.html',
            data: data,
            // 阻止默认的数据内容被转换成字符串，设置什么类型，提交什么类型
            processData: false,
            // 默认的内容类型为urlencoded,阻止默认的内容类型，设置什么类型，提交什么类型
            contentType: false,
            success: function (resData) {

            }
        })
    })

</script>

</html>